./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a449432c569210e0e742c975444c0c0f958775e98f582038271b1e67633ee295 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:11:28,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:11:28,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 05:11:28,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:11:28,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:11:28,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:11:28,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:11:28,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:11:28,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:11:28,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:11:28,276 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:11:28,277 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:11:28,278 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:11:28,279 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:11:28,282 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:11:28,282 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:11:28,283 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:11:28,283 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:11:28,284 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:11:28,284 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:11:28,285 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:11:28,289 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:11:28,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:11:28,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:11:28,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:11:28,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:11:28,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:11:28,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:11:28,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:11:28,292 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:11:28,296 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:11:28,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:11:28,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:11:28,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:11:28,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:11:28,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:11:28,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:11:28,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:28,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:11:28,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:11:28,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:11:28,300 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:11:28,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:11:28,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:11:28,301 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:11:28,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:11:28,302 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a449432c569210e0e742c975444c0c0f958775e98f582038271b1e67633ee295 [2024-11-09 05:11:28,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:11:28,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:11:28,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:11:28,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:11:28,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:11:28,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i Unable to find full path for "g++" [2024-11-09 05:11:31,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:11:31,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:11:31,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i [2024-11-09 05:11:31,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data/dfaac3377/06f409cd825a4bd58323874da03fc1a7/FLAG1b9da5395 [2024-11-09 05:11:31,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data/dfaac3377/06f409cd825a4bd58323874da03fc1a7 [2024-11-09 05:11:31,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:11:31,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:11:31,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:31,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:11:31,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:11:31,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:31" (1/1) ... [2024-11-09 05:11:31,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5122bf2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:31, skipping insertion in model container [2024-11-09 05:11:31,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:31" (1/1) ... [2024-11-09 05:11:31,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:11:33,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:33,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:11:33,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:33,854 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:11:33,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33 WrapperNode [2024-11-09 05:11:33,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:33,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:33,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:11:33,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:11:33,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,941 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-09 05:11:33,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:33,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:11:33,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:11:33,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:11:33,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:33,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:11:34,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:11:34,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:11:34,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:11:34,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (1/1) ... [2024-11-09 05:11:34,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:34,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:11:34,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:11:34,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:11:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 05:11:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 05:11:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:11:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:11:34,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:11:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:11:34,313 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:11:34,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:11:34,544 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 05:11:34,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:11:34,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:11:34,622 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:11:34,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:34 BoogieIcfgContainer [2024-11-09 05:11:34,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:11:34,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:11:34,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:11:34,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:11:34,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:11:31" (1/3) ... [2024-11-09 05:11:34,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218b2959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:34, skipping insertion in model container [2024-11-09 05:11:34,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:33" (2/3) ... [2024-11-09 05:11:34,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218b2959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:34, skipping insertion in model container [2024-11-09 05:11:34,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:34" (3/3) ... [2024-11-09 05:11:34,634 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i [2024-11-09 05:11:34,655 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:11:34,655 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:11:34,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:11:34,726 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52dfcc73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:11:34,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:11:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:11:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:11:34,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:34,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:34,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:11:34,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash -716949808, now seen corresponding path program 1 times [2024-11-09 05:11:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:34,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248438547] [2024-11-09 05:11:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:11:35,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:35,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248438547] [2024-11-09 05:11:35,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248438547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:35,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:35,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:11:35,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566631862] [2024-11-09 05:11:35,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:35,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:11:35,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:35,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:11:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:11:35,402 INFO L87 Difference]: Start difference. First operand has 16 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:11:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:35,485 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-11-09 05:11:35,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:11:35,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-11-09 05:11:35,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:35,497 INFO L225 Difference]: With dead ends: 16 [2024-11-09 05:11:35,497 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 05:11:35,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:11:35,508 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:35,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:11:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 05:11:35,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 05:11:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:11:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-11-09 05:11:35,554 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2024-11-09 05:11:35,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:35,558 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-09 05:11:35,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:11:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-09 05:11:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 05:11:35,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:35,560 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:35,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:11:35,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:11:35,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:35,561 INFO L85 PathProgramCache]: Analyzing trace with hash -750607513, now seen corresponding path program 1 times [2024-11-09 05:11:35,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:35,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795941721] [2024-11-09 05:11:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:11:35,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:11:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:11:35,706 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:11:35,707 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:11:35,710 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:11:35,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:11:35,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:11:35,718 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 05:11:35,750 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:11:35,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:11:35 BoogieIcfgContainer [2024-11-09 05:11:35,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:11:35,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:11:35,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:11:35,759 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:11:35,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:34" (3/4) ... [2024-11-09 05:11:35,764 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:11:35,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:11:35,768 INFO L158 Benchmark]: Toolchain (without parser) took 4040.97ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 113.3MB in the beginning and 94.8MB in the end (delta: 18.5MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-11-09 05:11:35,769 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 151.0MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:11:35,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2124.95ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 113.3MB in the beginning and 157.7MB in the end (delta: -44.4MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:35,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.87ms. Allocated memory is still 197.1MB. Free memory was 157.7MB in the beginning and 154.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:35,771 INFO L158 Benchmark]: Boogie Preprocessor took 57.46ms. Allocated memory is still 197.1MB. Free memory was 154.6MB in the beginning and 152.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:35,771 INFO L158 Benchmark]: RCFGBuilder took 621.63ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 136.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:11:35,772 INFO L158 Benchmark]: TraceAbstraction took 1131.64ms. Allocated memory is still 197.1MB. Free memory was 136.8MB in the beginning and 94.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 05:11:35,772 INFO L158 Benchmark]: Witness Printer took 8.64ms. Allocated memory is still 197.1MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:11:35,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 151.0MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2124.95ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 113.3MB in the beginning and 157.7MB in the end (delta: -44.4MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.87ms. Allocated memory is still 197.1MB. Free memory was 157.7MB in the beginning and 154.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.46ms. Allocated memory is still 197.1MB. Free memory was 154.6MB in the beginning and 152.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.63ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 136.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1131.64ms. Allocated memory is still 197.1MB. Free memory was 136.8MB in the beginning and 94.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 8.64ms. Allocated memory is still 197.1MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE190_Integer_Overflow__int_fgets_postinc_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] CWE190_Integer_Overflow__int_fgets_postinc_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_postinc_45_badData; [L1555] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:11:35,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a449432c569210e0e742c975444c0c0f958775e98f582038271b1e67633ee295 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:11:38,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:11:38,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 05:11:38,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:11:38,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:11:39,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:11:39,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:11:39,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:11:39,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:11:39,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:11:39,038 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:11:39,039 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:11:39,039 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:11:39,042 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:11:39,043 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:11:39,044 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:11:39,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:11:39,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:11:39,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:11:39,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:11:39,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:11:39,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:11:39,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:11:39,053 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:11:39,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:11:39,054 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:11:39,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:11:39,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:11:39,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:11:39,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:11:39,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:11:39,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:11:39,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:11:39,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:11:39,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:39,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:11:39,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:11:39,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:11:39,059 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:11:39,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:11:39,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:11:39,061 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:11:39,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a449432c569210e0e742c975444c0c0f958775e98f582038271b1e67633ee295 [2024-11-09 05:11:39,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:11:39,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:11:39,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:11:39,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:11:39,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:11:39,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i Unable to find full path for "g++" [2024-11-09 05:11:42,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:11:42,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:11:42,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i [2024-11-09 05:11:42,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data/9a0cd5a3b/beb326c6cc614d02a4bb514421f32bfb/FLAG23ddc0dea [2024-11-09 05:11:43,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/data/9a0cd5a3b/beb326c6cc614d02a4bb514421f32bfb [2024-11-09 05:11:43,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:11:43,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:11:43,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:43,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:11:43,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:11:43,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:43" (1/1) ... [2024-11-09 05:11:43,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1b4463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:43, skipping insertion in model container [2024-11-09 05:11:43,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:43" (1/1) ... [2024-11-09 05:11:43,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:11:45,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:45,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:11:45,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:45,483 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:11:45,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45 WrapperNode [2024-11-09 05:11:45,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:45,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:45,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:11:45,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:11:45,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,555 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-09 05:11:45,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:45,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:11:45,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:11:45,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:11:45,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:11:45,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:11:45,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:11:45,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:11:45,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (1/1) ... [2024-11-09 05:11:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:45,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:11:45,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:11:45,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:11:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 05:11:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 05:11:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:11:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:11:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:11:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:11:45,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:11:45,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:11:46,161 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 05:11:46,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:11:46,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:11:46,188 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:11:46,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:46 BoogieIcfgContainer [2024-11-09 05:11:46,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:11:46,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:11:46,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:11:46,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:11:46,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:11:43" (1/3) ... [2024-11-09 05:11:46,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9eab4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:46, skipping insertion in model container [2024-11-09 05:11:46,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:45" (2/3) ... [2024-11-09 05:11:46,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9eab4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:46, skipping insertion in model container [2024-11-09 05:11:46,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:46" (3/3) ... [2024-11-09 05:11:46,206 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_45_bad.i [2024-11-09 05:11:46,232 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:11:46,233 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:11:46,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:11:46,338 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61d8945b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:11:46,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:11:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:11:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 05:11:46,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:46,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:46,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:11:46,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:46,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-09 05:11:46,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:11:46,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722587391] [2024-11-09 05:11:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:46,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:11:46,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:11:46,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:11:46,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:11:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:46,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:11:46,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:11:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:11:46,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:11:46,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:11:46,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722587391] [2024-11-09 05:11:46,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722587391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:46,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:46,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:11:46,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576120551] [2024-11-09 05:11:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:46,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:11:46,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:11:46,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:11:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:11:46,721 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:11:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:46,744 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-09 05:11:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:11:46,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-09 05:11:46,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:46,757 INFO L225 Difference]: With dead ends: 24 [2024-11-09 05:11:46,757 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 05:11:46,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:11:46,767 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:46,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:11:46,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 05:11:46,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 05:11:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:11:46,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-09 05:11:46,815 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-09 05:11:46,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:46,817 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-09 05:11:46,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:11:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 05:11:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 05:11:46,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:46,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:46,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:11:47,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:11:47,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 05:11:47,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:47,026 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-09 05:11:47,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:11:47,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713691249] [2024-11-09 05:11:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:47,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:11:47,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:11:47,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:11:47,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:11:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:11:47,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:11:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:11:47,282 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:11:47,283 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:11:47,285 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 05:11:47,288 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 05:11:47,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 05:11:47,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:11:47,492 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 05:11:47,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:11:47,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:11:47 BoogieIcfgContainer [2024-11-09 05:11:47,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:11:47,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:11:47,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:11:47,542 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:11:47,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:46" (3/4) ... [2024-11-09 05:11:47,547 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:11:47,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:11:47,552 INFO L158 Benchmark]: Toolchain (without parser) took 4162.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.3MB in the beginning and 46.8MB in the end (delta: 6.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-09 05:11:47,552 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:11:47,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2094.67ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 38.8MB in the end (delta: 14.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 05:11:47,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.28ms. Allocated memory is still 81.8MB. Free memory was 38.8MB in the beginning and 35.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:47,554 INFO L158 Benchmark]: Boogie Preprocessor took 37.17ms. Allocated memory is still 81.8MB. Free memory was 35.9MB in the beginning and 33.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:47,555 INFO L158 Benchmark]: RCFGBuilder took 593.64ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 33.9MB in the beginning and 56.6MB in the end (delta: -22.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:47,559 INFO L158 Benchmark]: TraceAbstraction took 1344.58ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 47.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-09 05:11:47,562 INFO L158 Benchmark]: Witness Printer took 8.54ms. Allocated memory is still 98.6MB. Free memory was 47.3MB in the beginning and 46.8MB in the end (delta: 534.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:11:47,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2094.67ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 38.8MB in the end (delta: 14.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.28ms. Allocated memory is still 81.8MB. Free memory was 38.8MB in the beginning and 35.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.17ms. Allocated memory is still 81.8MB. Free memory was 35.9MB in the beginning and 33.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.64ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 33.9MB in the beginning and 56.6MB in the end (delta: -22.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1344.58ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 47.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 8.54ms. Allocated memory is still 98.6MB. Free memory was 47.3MB in the beginning and 46.8MB in the end (delta: 534.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE190_Integer_Overflow__int_fgets_postinc_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] CWE190_Integer_Overflow__int_fgets_postinc_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_postinc_45_badData; [L1555] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_postinc_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:11:47,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f6c250-a5a1-465d-a046-d5fb2bc5cd7a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample